Home / 21,325.56-31,988.34-6,534.42

Finding the Fourth Proportional to 21,325.56, 31,988.34 and 6,534.42

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Solution

The fourth proportional to 21,325.56, 31,988.34 and 6,534.42 is: 9,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,325.56 : 31,988.34 = 6,534.42 : x
  2. Step 2: Convert to fraction form
    21,325.56/31,988.34 = 6,534.42/x
  3. Step 3: Cross multiply
    21,325.56x = 31,988.34 × 6,534.42
  4. Step 4: Simplify right side
    21,325.56x = 209,025,248.66
  5. Step 5: Solve for x
    x = 209,025,248.66/21,325.56
  6. Step 6: Final answer
    x = 9,801.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.